<script setup>
import {onMounted, ref} from "vue";
import axios from "axios";
import {ElMessage} from "element-plus";
import qs from "qs";

//定义变量，控制弹窗是否出现
const dialogVisible = ref(false);
//定义数组维护可选的领导数据
const leaderOptions = ref([]);
//定义对象用来保存新增员工的信息
const saveUserForm = ref({
  username: '',
  phone: '',
  email: '',
  age: '',
  level: '',
  parentId: '',
  gender: '',
  status: ''
});
//定义点击“新建用户”按钮时调用的方法
const beforeAddUser = () => {
  dialogTitle.value = '新建用户';
  dialogVisible.value = true;
}
//定义一个保存员工的方法
const saveUser = () => {
  console.log(saveUserForm.value);
  let data = qs.stringify(saveUserForm.value);
  //向后端服务器发送登录请求，需要使用axios
  axios.post(BASE_URL + '/v1/user/save', data)
      .then((response) => {
        if (response.data.code === 2000) {
          ElMessage.success('保存成功!');
          saveUserForm.value = {};
          dialogVisible.value = false;
          loadUser();
        } else {
          ElMessage.error(response.data.msg);
        }
      })
}

//定义关闭弹窗的方法
const handleClose = () => {
  if (confirm("确认要关闭本弹窗吗？")) {
    saveUserForm.value = {};
    dialogVisible.value = false;
  }
}

//定义对象来保存用户查询的条件
const searchForm = ref({username: '', status: ''});
//定义对象查询到的用户表格数据
const userArr = ref([]);
//定义加载用户列表的方法
const loadUser = () => {
  let data = qs.stringify(searchForm.value);
  //如果有查询条件，就根据条件查，没有条件默认查全部数据
  axios.get(BASE_URL + '/v1/user/select?' + data)
      .then((response) => {//回调函数，处理响应数据
        if (response.data.code === 2000) {//后端返回的状态码是2000说明成功了
          userArr.value = response.data.data;//把请求回来的数据装到绑定表格的数组中
          console.log(userArr.value);
        } else {
          ElMessage.error(response.data.msg);
        }
      })
}

//页面一加载完毕，立即执行
onMounted(() => {
  loadUser();
})

//重置搜索
const resetSearch = () => {
  //清空之前的搜索内容
  searchForm.value = {};
  //重新加载所有的用户数据
  loadUser();
}

//定义方法来加载所选职级对应的可选直属领导数据
const loadLeader = () => {
  saveUserForm.value.parentId = '';
  leaderOptions.value = [];
  let level = parseInt(saveUserForm.value.level) + 10;
  axios.get(BASE_URL + '/v1/user/select?level=' + level)
      .then(response => {
        if (response.data.code === 2000) {
          leaderOptions.value = response.data.data;
        } else {
          ElMessage.error(response.data.msg);
        }
      })
}

//定义变量用来保存弹窗的标题
const dialogTitle = ref('新建用户');
const editUser = (id) => {
  dialogVisible.value = true;
  dialogTitle.value = '编辑用户';
  axios.get(BASE_URL + '/v1/user/select?id=' + id)
      .then(response => {
        if (response.data.code === 2000) {
          saveUserForm.value = response.data.data[0];
          let level = parseInt(saveUserForm.value.level) + 10;
          axios.get(BASE_URL + '/v1/user/select?level=' + level)
              .then(response => {
                if (response.data.code === 2000) {
                  leaderOptions.value = response.data.data;
                } else {
                  ElMessage.error(response.data.msg);
                }
              })
        } else {
          ElMessage.error(response.data.msg);
        }
      })
}

//定义重置密码的方法restful风格
const resetPassword = (userId) => {
  axios.post(BASE_URL + '/v1/user/update/password/' + userId)
      .then((response) => {
        if (response.data.code === 2000) {
          ElMessage.success('密码重置成功')
        } else {
          ElMessage.error(response.data.msg)
        }
      })
}

//定义修改员工状态的方法
const changeStatus = (userId, status) => {
  axios.post(BASE_URL + '/v1/user/update/status/' + userId + '/' + status)
      .then((response) => {
        if (response.data.code === 2000) {
          ElMessage.success('状态修改成功!');
        } else {
          ElMessage.error(response.data.msg);
        }
      })
}

//定义删除员工的方法
const deleteUser = (userId) => {
  if (confirm('您确认要删除该员工吗?')){
    axios.post(BASE_URL+'/v1/user/delete/'+userId)
        .then((response)=>{
          if (response.data.code === 2000) {
            ElMessage.success('删除成功!');
            loadUser();
          }else {
            ElMessage.error(response.data.msg);
          }
        })
  }
}
</script>

<!-- 用户管理页 -->
<template>
  <div style="height: 6vh;background-color: #fff;padding: 10px 20px;">
    <span style="line-height: 60px;font-size: 20px;">用户管理</span>
    <el-button type="primary" style="float: right;margin-top: 10px;"
               @click="beforeAddUser">新建用户
    </el-button>
  </div>
  <el-dialog
      :title="dialogTitle"
      style="width: 1000px;padding: 40px;"
      v-model="dialogVisible"
      :before-close="handleClose">
    <el-form label-position="top" label-width="80px">
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="用户名">
            <el-input placeholder="请输入用户名"
                      v-model="saveUserForm.username"
                      :disabled="saveUserForm.id!=null"
            ></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="手机号">
            <el-input placeholder="请输入手机号" v-model="saveUserForm.phone"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="邮箱">
            <el-input placeholder="请输入邮箱" v-model="saveUserForm.email"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄">
            <el-input placeholder="请输入年龄" v-model="saveUserForm.age"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="6">
          <el-form-item label="职级">
            <el-select placeholder="请选择" v-model="saveUserForm.level"
                       @change="loadLeader">
              <el-option label="员工" value="10"/>
              <el-option label="经理" value="20"/>
              <el-option label="总监" value="30"/>
              <el-option label="总裁" value="40"/>
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="直属领导">
            <el-select placeholder="请选择" v-model="saveUserForm.parentId">
              <el-option v-for="item in leaderOptions"
                         :label="item.username" :value="item.id"/>
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="4">
          <el-form-item label="性别">
            <el-radio-group v-model="saveUserForm.gender">
              <el-radio label="男" value="1" style="margin: 0;"/>
              <el-radio label="女" value="0"/>
            </el-radio-group>
          </el-form-item>
        </el-col>
        <el-col :span="4">
          <el-form-item label="用户状态">
            <el-radio-group v-model="saveUserForm.status">
              <el-radio label="启用" value="1" style="margin: 0;"/>
              <el-radio label="禁用" value="0"/>
            </el-radio-group>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="saveUser">保存</el-button>
    </template>
  </el-dialog>
  <!-- 用户搜索卡片 -->
  <el-card style="margin: 20px;height: 70px;">
    <el-form :inline="true">
      <el-form-item label="用户搜索" style="width: 270px;">
        <el-input placeholder="请输入用户名"
                  v-model="searchForm.username"
                  @keydown.enter="loadUser">
        </el-input>
      </el-form-item>
      <el-form-item label="用户状态" style="width: 270px;">
        <el-select placeholder="请选择用户状态"
                   v-model="searchForm.status"
                   @change="loadUser">
          <el-option label="启用" value="1"/>
          <el-option label="禁用" value="0"/>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button @click="resetSearch">重置</el-button>
        <el-button type="primary" @click="loadUser">查询</el-button>
      </el-form-item>
    </el-form>
  </el-card>
  <!-- 用户数据表格卡片 -->
  <el-card style="margin: 20px;">
    <el-table :data="userArr">
      <el-table-column type="index" label="编号" width="80" align="center"></el-table-column>
      <el-table-column label="用户名" prop="username" align="center"></el-table-column>
      <el-table-column label="手机号" prop="phone" align="center"></el-table-column>
      <el-table-column label="加入时间" prop="createTime" align="center"></el-table-column>
      <el-table-column label="用户状态" prop="status" align="center">
        <template #default="scope">
          <el-switch active-value="1" inactive-value="0"
                     v-model="scope.row.status"
                     @change="changeStatus(scope.row.id,scope.row.status)">
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button link type="primary"
                     :disabled="scope.row.level==40"
                     @click="resetPassword(scope.row.id)">密码重置
          </el-button>
          <el-button link type="primary"
                     @click="editUser(scope.row.id)">编辑
          </el-button>
          <el-button link type="primary"
                     :disabled="scope.row.level==40"
                     @click="deleteUser(scope.row.id)">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-card>
</template>

<style scoped>

</style>